–k“ϊ–{•aŠQ’ŽŒ€‹†‰ο --- The Society of Plant Protection of North Japan

–k“ϊ–{•aŠQ’ŽŒ€‹†‰ο•ρ –ΪŽŸ
Annual Report of the Society of Plant Protection of North Japan: Contents

No.25i1974j

Sato, R. and Araki, T. : On the Tomato Root-rot Disease Occured under Vinyl-house Conditions in Southern Hokkaido. 5

Oya, T. : Toxic production by Apple Leaf Spot Fungus, Alternaria mali ROBERTS : Improved Culture Media for Production of Powerful Toxic Metabolites. 14

Kazino,Y. : Studies on the Ecology of Foxglove Aphid, Acrythosiphon solani iKALTENBACHj. 18